Table 1 Baseline characteristics of the 14 patients with episodic CH who received GT in different cluster bouts

Age, years

38.1 ± 10.2

Male sex, n (%)

9 (64.3)

Onset age, years

26.4 ± 12.9

Duration of CH disease before 1^st GT, years

3.1 (0.6, 8.9)

Duration between 1^st GT and 2^nd GT, months

10.0 (6.5, 17.5)

BMI, kg/m²

23.8 ± 2.5

Ever-smoker, n (%)

3 (21.4)

Current alcohol drinking, n (%)

5 (35.7)

Comorbid migraine, n (%)

5 (35.7)

PHQ-9 score^a

12.0 (5.0, 17.0)

GAD-7 score^a

10.0 (2.5, 15.0)

EQ-5D scores^a

0.9 (0.7, 0.9)

Passive suicidal idea^a

3 (21.4)